CN108993088B - Printing and dyeing industry exhaust treatment device - Google Patents

Printing and dyeing industry exhaust treatment device Download PDF

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Publication number
CN108993088B
CN108993088B CN201810684518.XA CN201810684518A CN108993088B CN 108993088 B CN108993088 B CN 108993088B CN 201810684518 A CN201810684518 A CN 201810684518A CN 108993088 B CN108993088 B CN 108993088B
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fixedly connected
pipe
inlet pipe
control valve
upper shell
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CN108993088A (en
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沈阳
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Yishui Ruize Printing Co.,Ltd.
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Yishui Ruize Printing Co Ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
    • B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
    • B01D53/0407—Constructional details of adsorbing systems
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
    • B01D50/60—Combinations of devices covered by groups B01D46/00 and B01D47/00
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
    • B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
    • B01D53/0407—Constructional details of adsorbing systems
    • B01D53/0446—Means for feeding or distributing gases
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
    • B01D53/1487—Removing organic compounds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
    • B01D53/18—Absorbing units; Liquid distributors therefor
    • B01D53/185—Liquid distributors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
    • B01D2253/10—Inorganic adsorbents
    • B01D2253/102—Carbon
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2258/00—Sources of waste gases
    • B01D2258/02—Other waste gases
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2259/00—Type of treatment
    • B01D2259/40—Further details for adsorption processes and devices
    • B01D2259/40083—Regeneration of adsorbents in processes other than pressure or temperature swing adsorption
    • B01D2259/40084—Regeneration of adsorbents in processes other than pressure or temperature swing adsorption by exchanging used adsorbents with fresh adsorbents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2259/00—Type of treatment
    • B01D2259/40—Further details for adsorption processes and devices
    • B01D2259/402—Further details for adsorption processes and devices using two beds

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Treating Waste Gases (AREA)

Abstract

The invention relates to the technical field of waste gas treatment equipment and discloses a printing and dyeing industrial waste gas treatment device which comprises a first gas inlet pipe and a water tank, wherein the lower end of the first gas inlet pipe is fixedly connected with a first three-way pipe, the left end of the first three-way pipe is fixedly connected with a second gas inlet pipe, the middle part of the surface of the second gas inlet pipe is fixedly connected with a first control valve, the right end of the first three-way pipe is fixedly connected with a third gas inlet pipe, and the middle part of the surface of the third gas inlet pipe is fixedly connected with a second control valve. This printing and dyeing industry waste gas treatment device, through opening second control valve and fourth control valve, close first control valve and third control valve, make sealed lid and last casing can separate through rotatory threaded rod, drive the reservoir chamber and the active carbon layer breaks away from the casing and takes out the active carbon layer and clear up through fixing sealed bracing piece on covering off with sealed lid through unloading sealed lid for can realize being convenient for clear up the active carbon layer and need not to stop the purpose of leading-in waste gas.

Description

Printing and dyeing industry exhaust treatment device
Technical Field
The invention relates to the technical field of waste gas treatment equipment, in particular to a printing and dyeing industrial waste gas treatment device.
Background
In the production process of textile printing and dyeing industry, when the fabric is subjected to heat setting, the waste gas discharged by the setting machine contains a large amount of volatile organic compounds, which pollute the atmosphere and the environment and harm the health of human bodies. Besides, the exhaust gas also contains dyes, auxiliaries, lubricating oil, fiber particles and the like, and the composition is dozens of types. Most of the components exist in the form of gaseous substances in molecular form or in the form of liquid such as aerosol formed by tiny liquid drops in air. These are among the sources of photochemical reaction contamination in air.
At present, most of the waste gas treatment devices in the printing and dyeing production adopt a water spraying and activated carbon adsorption mode, but the activated carbon needs to be cleaned in the long-term use process, most of the waste gas treatment devices are particularly troublesome in cleaning the activated carbon, and the waste gas introduction needs to be stopped during cleaning to increase the working time.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a printing and dyeing industrial waste gas treatment device which has the advantages of being convenient to clean an activated carbon layer and not needing to stop introducing waste gas, and the like, and solves the problem that the activated carbon is inconvenient to clean.
(II) technical scheme
In order to achieve the purpose, the invention provides the following technical scheme: a printing and dyeing industrial waste gas treatment device comprises a first air inlet pipe and a water tank, wherein the lower end of the first air inlet pipe is fixedly connected with a first three-way pipe, the left end of the first three-way pipe is fixedly connected with a second air inlet pipe, the middle part of the surface of the second air inlet pipe is fixedly connected with a first control valve, the right end of the first three-way pipe is fixedly connected with a third air inlet pipe, the middle part of the surface of the third air inlet pipe is fixedly connected with a second control valve, the bottom of the second air inlet pipe is fixedly connected with an upper shell, the second air inlet pipe penetrates through and is communicated with the inside of the upper shell, the right side surface of the inner wall of the upper shell is fixedly connected with a spray pipe, the right end of the spray pipe is fixedly connected with a second three-way pipe penetrating through and extending to the right end of the upper shell, the left end of the second three-way pipe, the lower end of the second three-way pipe is fixedly connected with a water delivery pipe, the lower end of the water delivery pipe is fixedly connected with the output end of a water pump, the water pump is fixedly connected with the upper surface of the inner wall of the water tank, the inner wall of the upper shell is movably connected with an activated carbon layer, the lower surface of the activated carbon layer is fixedly connected with a connecting rod, the inner wall of the upper shell is fixedly connected with an air outlet pipe which penetrates through and is communicated with the inner part of the upper shell, the lower surface of the connecting rod is fixedly connected with a water storage chamber, the bottom of the water storage chamber is fixedly connected with a connecting pipe which penetrates through and is communicated with the inner part of the water storage chamber, the other end of the connecting pipe is fixedly connected with the lower surface of the water tank, the connecting pipe penetrates through and is communicated with the inner, the bottom fixedly connected with first sealing washer of upper casing surface, the inner wall fixedly connected with second sealing washer of sealed lid, the surface of first sealing washer and the surperficial swing joint of second sealing washer, the first fixed block of upper casing surface's bottom fixedly connected with, the upper surface threaded connection of first fixed block has the threaded rod, the threaded rod runs through and extends to the bottom of first fixed block, the bottom threaded connection of threaded rod has the second fixed block, second fixed block fixed connection is on the surface of sealed lid.
Preferably, the first three-way pipe is of a T-shaped structure.
Preferably, the liquid level of the water in the water storage chamber and the liquid level of the water in the water tank are positioned on the same horizontal line.
Preferably, the number of the upper shells is two, and the two upper shells are respectively arranged on the lower surfaces of the second air inlet pipe and the third air inlet pipe.
Preferably, the inclination angle of the air outlet pipe is 45 degrees.
Preferably, the surface of the spray pipe is provided with a spray hole which penetrates through and is communicated with the interior of the spray pipe.
(III) advantageous effects
Compared with the prior art, the invention provides a printing and dyeing industrial waste gas treatment device, which has the following beneficial effects:
1. this printing and dyeing industry waste gas treatment device, through opening second control valve and fourth control valve, close first control valve and third control valve, make sealed lid and last casing can separate through rotatory threaded rod, drive the reservoir chamber and the active carbon layer breaks away from the casing and takes out the active carbon layer and clear up through fixing sealed bracing piece on covering off with sealed lid through unloading sealed lid for can realize being convenient for clear up the active carbon layer and need not to stop the purpose of leading-in waste gas.
2. This printing and dyeing industrial waste gas treatment device sets up the lower surface at second intake pipe and third intake pipe respectively through two last casings, and two last casings make can not stop leading-in waste gas when clearance activated carbon layer, and the hole of spraying blowout of passing through water on the spray pipe through the water pump circular telegram with water for the waste gas humidification filters through activated carbon layer, and the inclination of outlet duct is 45, makes water can not follow the outlet duct outflow.
Drawings
FIG. 1 is a front cross-sectional view of the structure of the present invention;
FIG. 2 is an enlarged view of the structure at A in FIG. 1;
fig. 3 is a partial side view of the structure of the present invention.
In the figure: 1 first intake pipe, 2 water tanks, 3 first three-way pipes, 4 second intake pipes, 5 first control valves, 6 third intake pipes, 7 second control valves, 8 upper shells, 9 spray pipes, 10 second three-way pipes, 11 third control valves, 12 fourth control valves, 13 water conveying pipes, 14 water pumps, 15 activated carbon layers, 16 connecting rods, 17 air outlet pipes, 18 water storage chambers, 19 connecting pipes, 20 supporting rods, 21 sealing covers, 22 first sealing rings, 23 second sealing rings, 24 first fixing blocks, 25 threaded rods and 26 second fixing blocks.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, a printing and dyeing industry waste gas treatment device comprises a first gas inlet pipe 1 and a water tank 2, wherein the lower end of the first gas inlet pipe 1 is fixedly connected with a first three-way pipe 3, the first three-way pipe 3 is of a T-shaped structure, waste gas enters the first three-way pipe 3 through the first gas inlet pipe 1, the first three-way pipe 3 is matched with a first control valve 5 and a second control valve 7 to guide the waste gas, the left end of the first three-way pipe 3 is fixedly connected with a second gas inlet pipe 4, the middle part of the surface of the second gas inlet pipe 4 is fixedly connected with a first control valve 5, the right end of the first three-way pipe 3 is fixedly connected with a third gas inlet pipe 6, the middle part of the surface of the third gas inlet pipe 6 is fixedly connected with a second control valve 7, the first control valve 5 is opened to close the second control valve 7, so that the waste gas can enter the upper shell 8 through the second gas inlet pipe 4, the, the number of the upper shells 8 is two, the two upper shells 8 are respectively arranged on the lower surfaces of the second air inlet pipe 4 and the third air inlet pipe 6, the two upper shells 8 enable waste gas to be introduced without stopping when an activated carbon layer 15 is cleaned, the second air inlet pipe 4 penetrates through and is communicated with the inside of the upper shell 8, the right side surface of the inner wall of the upper shell 8 is fixedly connected with a spraying pipe 9, the surface of the spraying pipe 9 is provided with spraying holes penetrating through and communicated with the inside of the spraying pipe 9, so that water can be sprayed out from the spraying holes on the spraying pipe 9, the right end of the spraying pipe 9 is fixedly connected with a second three-way pipe 10 penetrating through and extending to the right end of the upper shell 8, the left end of the second three-way pipe 10 is fixedly connected with a third control valve 11, the right end of the second three-way pipe 10 is fixedly connected with a fourth control valve 12, the lower end of the second three-way pipe 10 is fixedly, the water pump 14 is fixedly connected to the upper surface of the inner wall of the water tank 2, the inner wall of the upper shell 8 is movably connected with an activated carbon layer 15, the third control valve 11 is opened to close the fourth control valve 12, water is sprayed out through the spraying holes on the spraying pipe 9 by electrifying the water pump 14, so that the waste gas is humidified and filtered through the activated carbon layer 15, the lower surface of the activated carbon layer 15 is fixedly connected with a connecting rod 16, the inner wall of the upper shell 8 is fixedly connected with an air outlet pipe 17 which penetrates through and is communicated with the inner part of the upper shell 8, the inclination angle of the air outlet pipe 17 is 45 degrees, so that the water cannot flow out from the air outlet pipe 17, the lower surface of the connecting rod 16 is fixedly connected with a water storage chamber 18, the liquid level of the water in the water storage chamber 18 and the liquid level of the water in the water tank 2 are positioned at the same horizontal line, so that the sprayed water can return, the sprayed water returns to the water tank 2 through the water storage chamber 18 and the connecting pipe 19, the other end of the connecting pipe 19 is fixedly connected with the lower surface of the water tank 2, the connecting pipe 19 penetrates through and is communicated with the inside of the water tank 2, the bottom surface of the water storage chamber 18 is fixedly connected with the supporting rod 20, the lower surface of the supporting rod 20 is fixedly connected with the sealing cover 21, the bottom of the upper shell 8 is movably connected with the inner wall of the sealing cover 21, the bottom of the surface of the upper shell 8 is fixedly connected with the first sealing ring 22, the inner wall of the sealing cover 21 is fixedly connected with the second sealing ring 23, the surface of the first sealing ring 22 is movably connected with the surface of the second sealing ring 23, the bottom of the surface of the upper shell 8 is fixedly connected with the first fixing block 24, the upper surface of the first fixing block 24 is in threaded connection, the second fixing block 26 is fixedly connected to the surface of the sealing cover 21, when the activated carbon layer 15 needs to be cleaned, the second control valve 7 and the fourth control valve 12 are opened, the first control valve 5 and the third control valve 11 are closed, the first fixing block 24 and the second fixing block 26 are separated through the rotary threaded rod 25, the sealing cover 21 is separated from the upper shell 8, the sealing cover 21 is detached, the water storage chamber 18 is driven through the support rod 20 fixed on the sealing cover 21, and the activated carbon layer 15 is separated from the upper shell 8 to take out the activated carbon layer 15 for cleaning, so that the purposes of conveniently cleaning the activated carbon layer 15 and stopping leading in waste gas can be achieved.
The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.
When the device is used, waste gas enters the first three-way pipe 3 through the first air inlet pipe 1, the first control valve 5 is opened, the second control valve 7 is closed, the waste gas enters the upper shell 8 through the second air inlet pipe 4, the third control valve 11 is opened, the fourth control valve 12 is closed, water is sprayed out through a spraying hole in the spraying pipe 9 through the power of the water pump 14, the waste gas is humidified and filtered through the activated carbon layer 15, the sprayed water returns to the water tank 2 through the water storage chamber 18 and the connecting pipe 19, when the activated carbon layer 15 needs to be cleaned, the first control valve 5 and the third control valve 11 are closed by opening the second control valve 7 and the fourth control valve 12, the first fixing block 24 and the second fixing block 26 are separated through the rotary threaded rod 25, the sealing cover 21 is separated from the upper shell 8, the water storage chamber 18 is driven by the support rod 20 fixed on the sealing cover 21 and the activated carbon layer 15 is separated from the upper shell 8 to be cleaned by detaching the sealing cover 21, so that it is possible to achieve the object of facilitating the cleaning of the activated carbon layer 15 and eliminating the necessity of stopping the introduction of the exhaust gas.
In summary, in the device for treating waste gas from textile printing industry, the second control valve 7 and the fourth control valve 12 are opened, the first control valve 5 and the third control valve 11 are closed, the sealing cover 21 and the upper shell 8 can be separated by rotating the threaded rod 25, and the water storage chamber 18 is driven by the support rod 20 fixed on the sealing cover 21 and the activated carbon layer 15 is separated from the upper shell 8 to take out the activated carbon layer 15 for cleaning by detaching the sealing cover 21, so that the purposes of cleaning the activated carbon layer 15 conveniently and stopping the introduction of waste gas can be achieved.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a printing and dyeing industry exhaust treatment device, includes first intake pipe (1) and water tank (2), its characterized in that: the lower end of the first air inlet pipe (1) is fixedly connected with a first three-way pipe (3), the left end of the first three-way pipe (3) is fixedly connected with a second air inlet pipe (4), the middle part of the second air inlet pipe (4) is fixedly connected with a first control valve (5), the right end of the first three-way pipe (3) is fixedly connected with a third air inlet pipe (6), the middle part of the third air inlet pipe (6) is fixedly connected with a second control valve (7), the bottom of the second air inlet pipe (4) is fixedly connected with an upper shell (8), the second air inlet pipe (4) is communicated with the interior of the upper shell (8), the right side surface of the inner wall of the upper shell (8) is fixedly connected with a spray pipe (9), the right end of the spray pipe (9) is fixedly connected with a second three-way pipe (10) which penetrates through and extends to the right end of the upper shell (8), and the left end of the second three-way pipe, the right end of the second three-way pipe (10) is fixedly connected with a fourth control valve (12), the lower end of the second three-way pipe (10) is fixedly connected with a water pipe (13), the lower end of the water pipe (13) is fixedly connected with the output end of a water pump (14), the water pump (14) is fixedly connected with the upper surface of the inner wall of the water tank (2), the inner wall of the upper shell (8) is movably connected with an activated carbon layer (15), the lower surface of the activated carbon layer (15) is fixedly connected with a connecting rod (16), the inner wall of the upper shell (8) is fixedly connected with an air outlet pipe (17) which penetrates through and is communicated with the inside of the upper shell (8), the lower surface of the connecting rod (16) is fixedly connected with a water storage chamber (18), the bottom of the water storage chamber (18) is fixedly connected with a connecting pipe (19) which penetrates through and is communicated with the inside of the water storage chamber (18, the connecting pipe (19) penetrates through and is communicated with the inside of the water tank (2), the bottom surface of the water storage chamber (18) is fixedly connected with a supporting rod (20), the lower surface of the supporting rod (20) is fixedly connected with a sealing cover (21), the bottom of the upper shell (8) is movably connected with the inner wall of the sealing cover (21), the bottom of the upper shell (8) is fixedly connected with a first sealing ring (22), the inner wall of the sealing cover (21) is fixedly connected with a second sealing ring (23), the surface of the first sealing ring (22) is movably connected with the surface of the second sealing ring (23), the bottom of the surface of the upper shell (8) is fixedly connected with a first fixing block (24), the upper surface of the first fixing block (24) is in threaded connection with a threaded rod (25), the threaded rod (25) penetrates through and extends to the bottom end of the first fixing block (24), and the bottom of the threaded rod (25) is, the second fixing block (26) is fixedly connected to the surface of the sealing cover (21).
2. The printing and dyeing industrial waste gas treatment device according to claim 1, characterized in that: the first three-way pipe (3) is of a T-shaped structure.
3. The printing and dyeing industrial waste gas treatment device according to claim 1, characterized in that: the liquid level of the water in the water storage chamber (18) and the liquid level of the water in the water tank (2) are positioned on the same horizontal line.
4. The printing and dyeing industrial waste gas treatment device according to claim 1, characterized in that: the number of the upper shells (8) is two, and the two upper shells (8) are respectively arranged on the lower surfaces of the second air inlet pipe (4) and the third air inlet pipe (6).
5. The printing and dyeing industrial waste gas treatment device according to claim 1, characterized in that: the inclination angle of the air outlet pipe (17) is 45 degrees.
6. The printing and dyeing industrial waste gas treatment device according to claim 1, characterized in that: the surface of the spray pipe (9) is provided with spray holes which penetrate through and are communicated with the interior of the spray pipe (9).
CN201810684518.XA 2018-06-28 2018-06-28 Printing and dyeing industry exhaust treatment device Active CN108993088B (en)

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Application Number Priority Date Filing Date Title
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CN108993088B true CN108993088B (en) 2020-11-17

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CN114307536B (en) * 2022-03-02 2022-06-07 山东神驰石化有限公司 N-butane and iso-butane separating tower in n-butane isomerization

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JPS5333552B1 (en) * 1966-09-21 1978-09-14
US20030070552A1 (en) * 2001-10-12 2003-04-17 Chih-Ming Lee Waste gas treating device
CN204429042U (en) * 2014-12-06 2015-07-01 党庆风 A kind of active carbon inhales circulated sprinkling air peculiar smell scavenge unit
CN104606996B (en) * 2015-02-03 2017-02-08 广东金宇环境科技有限公司 Adsorption filtration and atomizing purification device suitable for industrial exhaust gas treatment
CN106345223B (en) * 2016-11-01 2019-02-19 深圳德尔科机电环保科技有限公司 A kind of VOCs biodegradation method
CN206821834U (en) * 2017-05-05 2018-01-02 张秀芹 A kind of exhaust device of food baking machine
CN207119213U (en) * 2017-08-21 2018-03-20 温州市骐邦环保科技有限公司 A kind of replacing filter structure for being easy to air purifier
CN207356816U (en) * 2017-08-28 2018-05-15 上海瑞昱汽车有限公司 A kind of filter used for automobile air conditioning

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